GB1184286A - Piezoelectric Ceramic Compositions - Google Patents

Piezoelectric Ceramic Compositions

Info

Publication number
GB1184286A
GB1184286A GB45795/68A GB4579568A GB1184286A GB 1184286 A GB1184286 A GB 1184286A GB 45795/68 A GB45795/68 A GB 45795/68A GB 4579568 A GB4579568 A GB 4579568A GB 1184286 A GB1184286 A GB 1184286A
Authority
GB
United Kingdom
Prior art keywords
piezoelectric ceramic
ceramic compositions
compositions
piezoelectric
ceramic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB45795/68A
Inventor
Masamitsu Nishida
Hiromu Ouchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1184286A publication Critical patent/GB1184286A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic dielectric
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Compositions Of Oxide Ceramics (AREA)
GB45795/68A 1967-09-26 1968-09-26 Piezoelectric Ceramic Compositions Expired GB1184286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6250467 1967-09-26

Publications (1)

Publication Number Publication Date
GB1184286A true GB1184286A (en) 1970-03-11

Family

ID=13202051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45795/68A Expired GB1184286A (en) 1967-09-26 1968-09-26 Piezoelectric Ceramic Compositions

Country Status (5)

Country Link
US (1) US3528918A (en)
DE (1) DE1796233C2 (en)
FR (1) FR1592133A (en)
GB (1) GB1184286A (en)
NL (1) NL151218B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669887A (en) * 1968-08-08 1972-06-13 Matsushita Electric Ind Co Ltd Piezoelectric ceramic compositions
CA981010A (en) * 1971-04-20 1976-01-06 Matsushita Electric Industrial Co., Ltd. Piezoelectric ceramic compositions
JPS5432516B2 (en) * 1973-09-04 1979-10-15
JPS5528436B2 (en) * 1973-11-24 1980-07-28
GB1456616A (en) * 1973-12-12 1976-11-24 Murata Manufacturing Co Ferroelectric ceramic composition
JPS5528437B2 (en) * 1974-02-20 1980-07-28
US4210546A (en) * 1974-10-09 1980-07-01 Matsushita Electric Industrial Co., Ltd. Piezoelectric ceramic compositions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1116742B (en) * 1958-09-15 1961-11-09 Brush Crystal Company Ltd Ferroelectric ceramic mixture for an electromechanical transducer element
GB1066752A (en) * 1964-04-28 1967-04-26 Matsushita Electric Ind Co Ltd Piezoelectric ceramic compositions
NL135252C (en) * 1965-10-22 1900-01-01

Also Published As

Publication number Publication date
FR1592133A (en) 1970-05-11
US3528918A (en) 1970-09-15
NL6813799A (en) 1969-03-28
DE1796233B1 (en) 1972-03-16
NL151218B (en) 1976-10-15
DE1796233C2 (en) 1974-08-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years